ASA Aircraft Instrument Systems Practice Test

These questions are part of the practice quiz. Start practicing

• When swinging a magnetic compass, what are compensators adjusted for?
• Which of the following scenarios exemplifies the necessity of enhanced situational awareness?
• What is a primary focus of the pitot-static system?
• What equipment is typically used for conducting a static system leakage check?
• How does the Doppler effect relate to aviation?
• What does the term "heading indicator" refer to?
• What type of signals are data between components in an EFIS converted into?
• Which temperatures can resistance-type temperature indicators using Wheatstone bridge or ratiometer circuits measure?
• When leak checking an unpressurized aircraft's static pressure system, which instrument may be used in lieu of a pitot-static system tester?
• If the instrument static pressure line disconnects inside a pressurized cabin, what will occur?
• What is the function of a position indication system?
• What does an engine monitor display track?
• Why is it important for pilots to understand density altitude?
• What is the significance of the pitot tube in aircraft instrumentation?
• In the context of aircraft instruments, what does the standardization by manufacturers ensure?
• In terms of aircraft systems, what does EGT stand for?
• What is the primary function of a flight director in an aircraft?
• Which device is essential for maintaining an aircraft's speed indication?
• What information does the engine gauge typically provide?
• In what phase of flight is the static system leakage check required to be performed?
• In terms of safety, how does terrain awareness impact flying?
• Which instrument is crucial for determining an aircraft's vertical speed?
• What is the operating mechanism of most hydraulic pressure gauges?
• What instrument can indicate the presence of a yawing motion in flight?
• What is an advantage of using a multi-function display (MFD) in aircraft?
• How does a pitot-static system work?
• What can be used to verify the integrity of the static system after repairs?
• What is the primary function of a symbol generator in an EFIS?
• What information does an altimeter provide to the pilot?
• How is the heading of an aircraft determined in a compass?
• What would likely happen if an aircraft's static system had leakage issues?
• If you find a vacuum-operated instrument glass loose, what should you do?
• What does an Integrated Display System encompass?
• Which type of pressure is typically used by the altimeter?
• How is True Airspeed (TAS) calculated?
• What is the maximum deviation permitted in a compensated magnetic direction indicator during level flight?
• Which of the following instrument discrepancies could be corrected by an aviation mechanic?
• How do pilots utilize checklists in relation to aircraft instrumentation?
• How is a flangeless instrument case mounted in an instrument panel?
• Which of the following instruments would normally feature range markings?
• How does a hybrid display enhance pilot decision-making?
• What aspect of flying does enhanced situational awareness primarily support?
• What does a manifold pressure gauge indicate when a reciprocating engine is not running?
• How do pilots use the tachometer?
• What do instrument panel shock mounts primarily absorb?
• What environmental condition benefits most from a synthetic vision system?
• What is the primary function of the VSI?
• What condition is corrected by the compensators during the process of swinging a magnetic compass?
• What type of integration is indicated by a change in the altimeter reading after applying suction to the static system?
• Which instrument is used to measure the aircraft's altitude?
• What is the general purpose of performing a static system leakage check in aviation?
• What does the green arc on an aircraft temperature gauge indicate?
• Which instrument directly measures altitude?
• Where are the requirements for testing and inspection of instrument static systems outlined?
• Which instrument is primarily affected by a malfunctioning static system?
• A barometric altimeter indicates pressure altitude when the barometric scale is set at what value?
• Describe the function of a course deviation indicator (CDI).
• How often is a static system leakage check required for an aircraft?
• What is the purpose of a flight management system (FMS)?
• Which instruments are typically connected to an aircraft's pitot-static system?
• What does the term "navigation display" typically show?
• What is the fixed line mark attached to the compass bowl of a magnetic compass known as?
• If a static pressure system check reveals excessive leakage, how may the leaks be located?
• What does the vertical speed indicator (VSI) display?
• Why might a pilot prefer a synthetic vision system?
• What type of information does a Multi-Function Display (MFD) provide?
• Which instrument is crucial for navigating when the visibility is poor?
• The method of mounting aircraft instruments in their respective panels depends on what?
• What performance indicator would show a deviation from optimal performance?
• What principle does a multi-function display (MFD) use to present data?
• Which instrument condition is acceptable and would not require correction?
• What type of data is crucial for pilots to have in poor visibility situations?
• What is one of the main advantages of using synthetic vision systems during the approach phase of flight?
• What type of sensor is commonly found in modern altimeters?
• What key information does a primary flight display (PFD) typically provide?
• What is indicated airspeed (IAS)?
• What type of instrument is a turn coordinator?
• What is the function of a Grand Format Display (GFD)?
• Which instrument is primarily affected by a leak in the static system?
• Who is responsible for performing the static system leakage checks as part of maintenance?
• What does an Inertial Navigation System (INS) rely on for navigation?
• Which type of sensor is essential for detecting aircraft icing?
• How can instrument static system leakage be detected?
• What is the purpose of an airspeed margin indicator?
• What type of thermocouples are typically used to measure turbine engine exhaust gas temperatures?
• What is the primary function of a CRT in an EFIS?
• What does a "glass cockpit" refer to?
• What is the purpose of swinging an aircraft magnetic compass?
• What is the maximum altitude loss allowed during an integrity check of an unpressurized aircraft static pressure system?
• What is a common consequence of failing a static system leakage check?
• How many instruments are controlled by gyroscopes?
• What happens to the altimeter and airspeed indicator readings when the static pressure line is disconnected?
• What do pilots use to detect changes in angular velocity?
• What does the airspeed indicator measure?
• Which of the following best describes a primary advantage of using a VOR in navigation?
• When installing an instrument in an aircraft, who is responsible for ensuring it is properly marked?
• What is the purpose of the altitude indicator?
• What is the purpose of filling magnetic compass bowls with liquid?
• Aircraft temperature thermocouple leads are designed to?
• What is the primary benefit of enhanced situational awareness in aircraft operation?
• Where may a person look for the information necessary to determine the required markings on an engine instrument?
• How can a pilot determine if an aircraft is in trim?
• Which instruments are connected to an aircraft's static pressure system only?
• In aviation, what does the acronym ILS refer to?
• What does the lubber line on a directional gyro represent?
• What type of altitude does a radar altimeter indicate?
• What is the role of the artificial horizon instrument?
• What happens to the altimeter if it is not properly calibrated?
• Which statement regarding an aircraft instrument vacuum system is true?
• Which of the following factors can impact the accuracy of an altimeter?
• Which cause of magnetic compass inaccuracies can be compensated for during maintenance?
• Regarding the color-coding of aircraft instruments, which statement is correct?
• What is the primary instrument affected by the proper functioning of the static pressure system?
• How do pilots confirm the proper functioning of instrumentation during pre-flight checks?
• What happens to the readings of an uncalibrated altimeter during a climb?
• Who is permitted to repair an aircraft instrument?
• What is the main function of a local area augmentation system (LAAS)?
• What does a display controller in an EFIS allow the pilot to do?
• How does a radar altimeter determine altitude?
• What does the acronym VOR stand for, and what is its primary use?
• What is used to determine the aircraft's weight and balance?
• What does GPS stand for?
• What does the term "airspeed limitation" refer to?
• What does the term "ADF" stand for in aviation?
• What instrument provides information about the aircraft's bank angle?
• When an aircraft altimeter is set at 29.92" Hg on the ground, the altimeter will read what?
• The bonding straps installed in instrument mounts serve what purpose?
• Which term best describes the primary function of terrain awareness provided by hybrid displays?
• What does the term "radar altimeter" refer to?
• What does a combined roll and yaw indicator help a pilot understand?
• What condition might lead to excessive vacuum in a vacuum system?
• What type of pressure does a technician apply during the static system check to assess for leaks?
• Which of the following features is most likely found in a synthetic vision system?
• What is a common feature included in modern synthetic vision systems?
• In what way does a flight director assist the pilot during flight?
• What is a primary characteristic of digital flight displays?
• Which aircraft systems utilize static pressure for their operation?
• Describe the function of the vacuum system in multi-engine aircraft.
• What principle do magnetometers operate on?
• How would an airspeed indicator be marked to show the best rate-of-climb speed with one engine inoperative?
• What does a vertical speed indicator display?
• A certificated mechanic with airframe and powerplant ratings may:
• Which instrument measures lateral movement of the aircraft?
• Aircraft instrument values should be marked and graduated according to what?
• What technology does an electric altimeter utilize to measure altitude?
• Which of these statements about terrain data is true for pilots flying at low altitudes?
• What could cause the altimeter to read incorrectly?
• The desired position of an instrument in the cockpit is influenced by which of the following?
• What type of display technology is commonly used in modern aircraft?
• What condition will likely cause an altimeter to read incorrectly?
• Cases for electrically operated instruments are typically made of what material?
• Define the term "gyro" in the context of aviation instruments.
• What is an acceptable limit for a static system leakage check noted in aviation regulations?
• Which section of aviation regulations outlines the requirements for a static system leakage check?
• Which of the following is used to detect both high and low fuel temperatures in an aircraft?
• What does the airspeed indicator measure?
• What does the compass in an aircraft primarily indicate?
• Which instrument helps pilots during turns?
• What is the role of the altimeter in an aircraft?
• Which instrument discrepancies would require replacement of the instrument?
• A Bourdon tube instrument is typically used to indicate which of the following?
• What is the significance of maintaining an aircraft in trim?
• How do fuel flow transmitters primarily transmit data?
• What is the function of a stall warning indicator?
• What pressure does a technician use when conducting the static system leakage check required by aviation regulations?
• Why is understanding aircraft instrumentation vital for pilots?
• What principle does the angle-of-attack indicating system operate on?
• What is the function of the static port in an aircraft?
• A turn coordinator instrument indicates which aspects of flight?
• A synchro transmitter is connected to a synchro receiver in what manner?
• Which color is generally used to indicate cautionary information on instrument gauges?
• What type of altimeter would indicate a change in pressure altitude when the barometer is adjusted?
• What type of instruments are typically shock-mounted?
• Why is an aircraft instrument panel electrically bonded to the aircraft structure?
• Aircraft instrument panels are generally shock-mounted to absorb which kind of shocks?
• What does an altimeter setting of 29.92 inHg indicate?
• Which feature differentiates hybrid displays from traditional cockpit instruments?
• What is the primary function of an aircraft’s airspeed indicator?
• What do the red radial lines on the face of an engine oil pressure gauge indicate?
• What does a red radial line typically indicate on aircraft instruments?
• What must be done to an instrument panel that is supported by shock mounts?
• A certificated mechanic may perform:
• The purpose of a turn-and-slip indicator is to:
• What additional information can a hybrid display provide to the pilot?
• What component of the aircraft instrumentation detects icing conditions?
• Why is it crucial to maintain proper cockpit instrumentation?
• How does a magnetic compass work?